Pith Number

pith:5KRFMTMJ

pith:2012:5KRFMTMJV7H5IZRWN6WYVSKXI2

not attested not anchored not stored refs pending

Coherent perfect nanoabsorbers based on negative refraction

Guang-Yu Guo, Shulin Sun, Vasily Klimov

arxiv:1202.1749 v1 · 2012-02-08 · physics.optics · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KRFMTMJV7H5IZRWN6WYVSKXI2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:02:51.175920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa2564d89afcfd466366fad8ac957469e3f95c8825d9d39a8d0d2ffa1875618

Aliases

arxiv: 1202.1749 · arxiv_version: 1202.1749v1 · doi: 10.48550/arxiv.1202.1749 · pith_short_12: 5KRFMTMJV7H5 · pith_short_16: 5KRFMTMJV7H5IZRW · pith_short_8: 5KRFMTMJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5KRFMTMJV7H5IZRWN6WYVSKXI2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: eaa2564d89afcfd466366fad8ac957469e3f95c8825d9d39a8d0d2ffa1875618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75950ed35f6c10520f4bff80e3a99015fb6f7d4c73849fe898d9b9a1c6ff4c30",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-02-08T16:02:52Z",
    "title_canon_sha256": "e00557d0715637a58396d18651e4bb17fea4ef1de98a03bab8ebaad637f687fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1749",
    "kind": "arxiv",
    "version": 1
  }
}